1/*
2 * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24/* @test
25 * @bug 6808647
26 * @summary Checks that a DirectoryStream's iterator returns the expected
27 *    path when opening a directory by specifying only the drive letter.
28 * @library ..
29 */
30
31import java.nio.file.*;
32import java.io.File;
33import java.io.IOException;
34
35public class DriveLetter {
36
37    public static void main(String[] args) throws IOException {
38        String os = System.getProperty("os.name");
39        if (!os.startsWith("Windows")) {
40            System.out.println("This is Windows specific test");
41            return;
42        }
43        String here = System.getProperty("user.dir");
44        if (here.length() < 2 || here.charAt(1) != ':')
45            throw new RuntimeException("Unable to determine drive letter");
46
47        // create temporary file in current directory
48        File tempFile = File.createTempFile("foo", "tmp", new File(here));
49        try {
50            // we should expect C:foo.tmp to be returned by iterator
51            String drive = here.substring(0, 2);
52            Path expected = Paths.get(drive).resolve(tempFile.getName());
53
54            boolean found = false;
55            Path dir = Paths.get(drive);
56            try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
57                for (Path file : stream) {
58                    if (file.equals(expected)) {
59                        found = true;
60                        break;
61                    }
62                }
63            }
64            if (!found)
65                throw new RuntimeException("Temporary file not found???");
66
67        } finally {
68            tempFile.delete();
69        }
70    }
71}
72